172870305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 287712000

約数和(自身を除く): 114841695

約数列:

[1, 3, 5, 15, 29, 87, 145, 199, 435, 597, 995, 1997, 2985, 5771, 5991, 9985, 17313, 28855, 29955, 57913, 86565, 173739, 289565, 397403, 868695, 1192209, 1987015, 5961045, 11524687, 34574061, 57623435, 172870305]

約数ペア:

[(1, 172870305), (3, 57623435), (5, 34574061), (15, 11524687), (29, 5961045), (87, 1987015), (145, 1192209), (199, 868695), (435, 397403), (597, 289565), (995, 173739), (1997, 86565), (2985, 57913), (5771, 29955), (5991, 28855), (9985, 17313)]